Package org.apache.isis.viewer.wicket.ui.components.collectioncontents.ajaxtable.columns

Source Code of org.apache.isis.viewer.wicket.ui.components.collectioncontents.ajaxtable.columns.ObjectAdapterPropertyColumn

/*
*  Licensed to the Apache Software Foundation (ASF) under one
*  or more contributor license agreements.  See the NOTICE file
*  distributed with this work for additional information
*  regarding copyright ownership.  The ASF licenses this file
*  to you under the Apache License, Version 2.0 (the
*  "License"); you may not use this file except in compliance
*  with the License.  You may obtain a copy of the License at
*
*        http://www.apache.org/licenses/LICENSE-2.0
*
*  Unless required by applicable law or agreed to in writing,
*  software distributed under the License is distributed on an
*  "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
*  KIND, either express or implied.  See the License for the
*  specific language governing permissions and limitations
*  under the License.
*/

package org.apache.isis.viewer.wicket.ui.components.collectioncontents.ajaxtable.columns;

import org.apache.wicket.Component;
import org.apache.wicket.extensions.markup.html.repeater.data.grid.ICellPopulator;
import org.apache.wicket.markup.repeater.Item;
import org.apache.wicket.model.IModel;

import org.apache.isis.core.metamodel.adapter.ObjectAdapter;
import org.apache.isis.core.metamodel.spec.feature.OneToOneAssociation;
import org.apache.isis.viewer.wicket.model.mementos.PropertyMemento;
import org.apache.isis.viewer.wicket.model.models.EntityModel;
import org.apache.isis.viewer.wicket.model.models.ScalarModel;
import org.apache.isis.viewer.wicket.ui.ComponentFactory;
import org.apache.isis.viewer.wicket.ui.ComponentType;
import org.apache.isis.viewer.wicket.ui.app.registry.ComponentFactoryRegistry;
import org.apache.isis.viewer.wicket.ui.components.collectioncontents.ajaxtable.CollectionContentsAsAjaxTable;
import org.apache.isis.viewer.wicket.ui.components.scalars.ScalarPanelAbstract;
import org.apache.isis.viewer.wicket.ui.components.scalars.ScalarPanelAbstract.Format;

/**
* A {@link ColumnAbstract column} within a
* {@link CollectionContentsAsAjaxTable} representing a single property of the
* provided {@link ObjectAdapter}.
*
* <p>
* Looks up the {@link ComponentFactory} to render the property from the
* {@link ComponentFactoryRegistry}.
*/
public final class ObjectAdapterPropertyColumn extends ColumnAbstract<ObjectAdapter> {

    private static final long serialVersionUID = 1L;

    @SuppressWarnings("unused")
    private final String sortProperty;
    private final String propertyExpression;

    public ObjectAdapterPropertyColumn(final IModel<String> columnNameModel, final String sortProperty, final String propertyName) {
        super(columnNameModel);
        this.sortProperty = sortProperty;
        this.propertyExpression = propertyName;
    }

    @Override
    public void populateItem(final Item<ICellPopulator<ObjectAdapter>> cellItem, final String componentId, final IModel<ObjectAdapter> rowModel) {
        final Component component = createComponent(componentId, rowModel);
        cellItem.add(component);
    }

    private Component createComponent(final String id, final IModel<ObjectAdapter> rowModel) {

        final ObjectAdapter adapter = rowModel.getObject();
        final EntityModel model = new EntityModel(adapter);
        final OneToOneAssociation property = (OneToOneAssociation) adapter.getSpecification().getAssociation(propertyExpression);
        final PropertyMemento pm = new PropertyMemento(property);
        final ScalarModel scalarModel = model.getPropertyModel(pm);

        final ComponentFactory componentFactory = findComponentFactory(ComponentType.SCALAR_NAME_AND_VALUE, scalarModel);
        final Component component = componentFactory.createComponent(id, scalarModel);
        if (component instanceof ScalarPanelAbstract) {
            final ScalarPanelAbstract scalarPanel = (ScalarPanelAbstract) component;
            scalarPanel.setFormat(Format.COMPACT);
            scalarModel.toViewMode();
        }
        return component;
    }

}
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